<!DOCTYPE html>
<html>
<head>
    <title>square</title>
    <link rel="stylesheet" href="../static/css/style.css">
    <link rel="stylesheet" type="text/css" href="../static/css/button.css"/>
</head>
<body>
<form action="/square_print/" method="get">
    <b>Введите сторону:</b><br>
    <input type="text" name="a" maxlength="10" size="15">
    <input type="submit" value="ткнуть">
</form>
<p><a href="/" class='back'>назад</a></p>

</body>
</html>